Marsh McLennan
Disclosed Jun 30, 20215 years agoConfirmed
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Jun 30, 2021 |
| Discovered | Apr 26, 2021 |
| Happened | Apr 22, 2021 |
| Attack | Hacking |
| Data exposed | Not stated |
| Sector | Finance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Marsh McLennanoag.ca.gov · Official notice | Official notice |
| Washington Attorney General breach notice: Marsh McLennanatg.wa.gov · Official notice | Official notice |
| Oregon DOJ breach notice: Marsh McLennanjustice.oregon.gov · Official notice | Official notice |
| Indiana Attorney General 2021 data breach report: Marsh McLennanin.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Jun 30, 2021 | |
| Washington AGresidents of WA | Jun 30, 2021 | 2,550 |
| Indiana AGresidents of IN | Jun 30, 2021 | 943 |
| Oregon DOJresidents of OR | Jul 1, 2021 |
History of this record
- 2026-09-25 · source: empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/Data-Breach-Year-to-date-Report-2021-1.pdf · backfill source
- 2026-09-25 · sector: other to finance · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · discovered: empty to 2021-04-26 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.